Mitochondrial DNA is primarily involved in coding for proteins needed for protein complexes of the electron transport chain and ATP synthase. Therefore, mutations in mitochondrial genes would most affect _____
A) DNA synthesis in cells of the immune system
B) the movement of oxygen into erythrocytes
C) generation of ATP in muscle cells
D) the storage of urine in the urinary bladder
C
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One of the ways agricultural production of such fruits as tomatoes or cucumbers can be increased significantly is to grow them in:
A. soils rich in magnesium. B. soils rich in nitrogen. C. greenhouses supplied with extra carbon dioxide. D. greenhouses with extra oxygen. E. None of these is true.
Which period was unusually dry, giving seed plants an evolutionary advantage over previously dominant seedless plants?
a. Pennsylvanian b. Mississippian c. Permian d. Devonian
Reznick and Endler’s research with guppies suggested four of the following. Which one is the exception?
a. Life history traits can be inherited. b. Life history traits evolve. c. Life history traits can be altered over a short period of time. d. Life history traits are not influenced by predation patterns. e. Life history traits are coded for in DNA.
The correct order of the layers of tissue from the outside of the digestive system toward the lumen is:
a. mucosa, submucosa, muscle layer, and visceral peritoneum. b. mucosa, visceral peritoneum, muscle layer, and submucosa. c. visceral peritoneum, muscle layer, submucosa, and mucosa. d. muscle layer, visceral peritoneum, mucosa, and submucosa. e. visceral peritoneum, mucosa, muscle layer, and submucosa.